A kind of anti-leakage protection equipment for new energy vehicles

Abstract

The invention relates to the technical field of new energy vehicles, and discloses an anti-leakage protection device for new energy vehicles, which solves the problem that when an external terminal contacts other conductive parts during the charging and discharging process of the power battery, the power battery is easily leaked. The device comprises a battery box, wherein an inner cavity is provided inside the battery box, batteries are equidistantly installed inside the inner cavity, a partition is installed between two adjacent batteries, the partition is fixedly connected to the battery box, and terminals are symmetrically installed on the top of the battery; in operation, the present invention protects the terminal by means of a conductive sleeve that is sleeved on the outer side of the terminal, and an insulating sleeve is installed on the outer side of the conductive sleeve, thereby preventing conductive foreign matter from contacting the terminal to cause leakage of the terminal, and a top plate moves upward after being pushed upward, and under the elastic force of a first spring, the top plate is tightly attached to the terminal, thereby ensuring the tightness of contact between the terminal and the conductive sleeve, thereby ensuring smooth circuit.

Description

Technical Field

[0001] The present invention belongs to the technical field of new energy vehicles, and specifically relates to an anti-leakage protection device for new energy vehicles. Background Art

[0002] New energy vehicles in a broad sense, also known as alternative fuel vehicles, include pure electric vehicles, fuel cell electric vehicles, and other vehicles that use all non-petroleum fuels, as well as hybrid electric vehicles, ethanol gasoline vehicles and other vehicles that partially use non-petroleum fuels. All existing new energy vehicles are included in this concept, which is specifically divided into six categories: hybrid vehicles, pure electric vehicles, fuel cell vehicles, alcohol ether fuel vehicles, natural gas vehicles, etc.

[0003] In new energy vehicles, the power battery inside is a very important device. During the charging and discharging process of the power battery, when the external terminals come into contact with other conductive parts, it is easy to cause power battery leakage, which in turn causes equipment damage. Summary of the invention

[0004] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a leakage protection device for new energy vehicles, which effectively solves the problem that when the external terminal contacts other conductive parts during the charging and discharging process of the power battery, it is easy to cause power battery leakage.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a leakage protection device for new energy vehicles, comprising a battery box, wherein an inner cavity is provided inside the battery box, batteries are installed equidistantly inside the inner cavity, a partition is installed between two adjacent batteries, the partition is fixedly connected to the battery box, terminals are symmetrically installed at the top of the battery, the terminals are divided into positive terminals and negative terminals, a protection component is installed at the top of the battery box, a power-on alarm component is installed at the top of the protection component, and a fixed power-off component is installed at the top of the protection component;

[0006] The protection component includes a cover plate installed on the top of the battery box, a base plate installed on the bottom end of the cover plate, the base plate is clamped with the inner cavity, movable through grooves are equidistantly provided on the top of the cover plate, a pressure rod is inserted into the inside of the movable through groove, a terminal board is installed on the top of the pressure rod, a movable groove is provided at the bottom end of the movable through groove, the movable groove runs through to the bottom end of the base plate, a conductive sleeve is installed on the bottom end of the pressure rod, an insulating sleeve is installed on the outside of the conductive sleeve, the terminal is sleeved inside the conductive sleeve, wherein the conductive sleeve is electrically connected to the cover plate, the cover plate is used to connect multiple batteries in series, and the insulating sleeve is made of insulating rubber material.

[0007] Preferably, a slide groove is provided on the inner wall of the conductive sleeve at an equal angle, a slider is slidably connected inside the slide groove, a top plate is installed between the multiple sliders, and the top plate is electrically connected to the conductive sleeve.

[0008] Preferably, a first spring is installed at the bottom end of the sliding block, and the bottom end of the first spring is fixedly connected to the inner bottom wall of the sliding groove.

[0009] Preferably, the fixed power-off component includes a card plate symmetrically installed at the bottom end of the terminal board, a card hole is symmetrically opened on one side of the card plate, and the card plate is inserted into the inside of the card slot, wherein the card slot is symmetrically opened at the top of the cover plate, a limiting groove is symmetrically opened on one side of the card slot, a side groove is opened on one side of the limiting groove, and a heating groove is opened on the other side of the side groove, the heating groove is located below the card slot, and a card rod is inserted into the inside of the card hole, and the card rod is inserted into the inside of the limiting groove.

[0010] Preferably, a connecting plate is installed at one end of the clamping rod, and the connecting plate is slidably connected to the inside of the side groove, a limiting block is installed on one side of the connecting plate, the limiting block is inserted into the inside of the heating groove, a second spring is symmetrically installed on one side of the limiting block, one end of the second spring is fixedly connected to the inner wall of the heating groove, a third spring is installed on the other side of the connecting plate, the third spring is fixedly connected to the inner wall of the side groove, and ventilation holes are opened at equal angles on one side of the side groove, and one end of the ventilation holes passes through to the outside of the cover plate.

[0011] Preferably, a side through groove is opened on one side of the side groove, and the side through groove passes through the outer side of the cover plate. A pull rod is inserted into the inside of the side through groove, one end of the pull rod is fixedly connected to the connecting plate, and a pull plate is installed on the other end of the pull rod.

[0012] Preferably, upper guide grooves are provided at the four corners of the cover plate, and lower guide grooves are provided at the four corners of the top of the battery box. Guide rods are inserted into the interior of the lower guide grooves and the interior of the upper guide grooves, and the top of the guide rod is fixedly connected to the bottom end of the terminal board. A fourth spring is sleeved on the outer side of the guide rod, and both ends of the fourth spring are fixedly connected to the terminal board and the cover plate, respectively.

[0013] Preferably, the power-on alarm component includes a top terminal symmetrically installed on the top of the terminal block, the bottom end of the top terminal is electrically connected to the bottom rod, the bottom rod is symmetrically installed on the bottom end of the terminal block, the bottom end of the bottom rod is installed with a side panel, the bottom end of the side panel is installed with a movable contact, the bottom rod is inserted into the interior of the sleeve, the sleeve is symmetrically installed on the top of the cover plate, a fixed contact is installed on the inner bottom wall of the sleeve, the fixed contact is electrically connected to the cover plate, a fifth spring is installed at the bottom end of the side plate, and the bottom end of the fifth spring is fixedly connected to the inner bottom wall of the sleeve.

[0014] Preferably, a lower contact is installed on one side of the side panel, an upper contact is installed inside the sleeve, the upper contact is located above the lower contact, a wire is installed between the upper contacts on both sides, the wire is electrically connected to an alarm, the alarm is fixedly connected to the cover plate, an alarm battery is installed at the bottom end of the terminal block, and the alarm battery is electrically connected to the lower contact.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1) During operation, after the set pressure rod moves downward, the conductive sleeve is pushed downward so that the conductive sleeve is sleeved on the outside of the terminal, and an insulating sleeve is installed on the outside of the conductive sleeve, thereby protecting the terminal to prevent the conductive foreign matter from contacting the terminal and causing leakage of the terminal. When the terminal enters the conductive sleeve, the top plate is pushed upward and moves upward, thereby stretching the first spring. At this time, under the elastic force of the first spring, the top plate is tightly attached to the terminal, and the top plate is electrically connected to the conductive sleeve, thereby ensuring the tightness of the contact between the terminal and the conductive sleeve, thereby ensuring the smoothness of the circuit;

[0017] 2) During operation, when the terminal board is moved downward, the pull rods on both sides are pulled outward so that the card rod enters the limit slot. When the card plate enters the card slot, the pull rod is released so that the card rod moves outward and is inserted into the card hole to complete the fixation of the cover plate and the terminal board, which is convenient for installation. When the battery leaks electricity, the temperature inside the cover plate rises suddenly, thereby increasing the temperature inside the heating groove, and then causing the gas inside the heating groove to expand due to heat, thereby pushing the connecting plate to move, so that the card rod is disconnected from the card plate. At this time, the terminal board moves upward under the elastic force of the fourth spring, so that the movable contact and the fixed contact are disconnected, thereby disconnecting the circuit, and then protecting the automotive equipment parts in the case of leakage.

[0018] 3) During operation, after the terminal board is moved upward, the side panel moves to the top of the sleeve, and the lower contact contacts the upper contact. The circuit between the alarm battery and the alarm is connected, so that the alarm sounds an alarm to remind the user that there is a risk of battery leakage, shorten the user's detection time, and improve the repair efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention.

[0020] In the attached picture:

[0021] Figure 1 It is a structural schematic diagram of the present invention;

[0022] Figure 2 It is a schematic diagram of the battery box structure of the present invention;

[0023] Figure 3 It is a schematic diagram of the structure of the protection component of the present invention;

[0024] Figure 4 It is a schematic diagram of the structure of the fixed power-off component of the present invention;

[0025] Figure 5It is a schematic diagram of the wiring board structure of the present invention;

[0026] Figure 6 It is a schematic diagram of the connecting plate structure of the present invention.

[0027] In the figure: 1, battery box; 2, inner cavity; 3, partition; 4, battery; 5, terminal; 6, protection component; 601, cover plate; 602, bottom plate; 603, terminal board; 604, movable through groove; 605, pressure rod; 606, insulating sleeve; 607, movable groove; 608, conductive sleeve; 609, slide groove; 610, slider; 611, first spring; 612, top plate; 7, fixed power-off component; 701, card plate; 702, card hole; 703, card slot; 704, limit slot; 705, side slot; 706, heating slot; 707, card rod; 708, connecting rod Connecting plate; 709, limit block; 710, second spring; 711, third spring; 712, vent; 713, side through groove; 714, pull rod; 715, pull plate; 716, lower guide groove; 717, upper guide groove; 718, guide rod; 719, fourth spring; 8, power connection alarm assembly; 801, top terminal; 802, bottom rod; 803, side plate; 804, movable contact; 805, fixed contact; 806, fifth spring; 807, lower contact; 808, upper contact; 809, wire; 810, siren; 811, alarm battery. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0029] Embodiment 1, by Figure 1-Figure 6 The present invention includes a battery box 1, wherein an inner cavity 2 is provided inside the battery box 1, batteries 4 are equidistantly installed inside the inner cavity 2, a partition 3 is installed between two adjacent batteries 4, the partition 3 is fixedly connected to the battery box 1, terminals 5 are symmetrically installed on the top of the batteries 4, the terminals 5 are divided into positive terminals and negative terminals, a protection component 6 is installed on the top of the battery box 1, a power-on alarm component 8 is installed on the top of the protection component 6, and a fixed power-off component 7 is installed on the top of the protection component 6.

[0030] Embodiment 2, on the basis of embodiment 1, the protection assembly 6 includes a cover plate 601 installed on the top of the battery box 1, a bottom plate 602 is installed at the bottom end of the cover plate 601, the bottom plate 602 is clamped with the inner cavity 2, and the top of the cover plate 601 is equidistantly provided with movable through grooves 604, the inside of the movable through grooves 604 is plugged with a pressure rod 605, the top of the pressure rod 605 is provided with a terminal board 603, the bottom end of the movable through groove 604 is provided with a movable groove 607, the movable groove 607 penetrates to the bottom end of the bottom plate 602, the bottom end of the pressure rod 605 is provided with a conductive sleeve 608, and the outer side of the conductive sleeve 608 is provided with The insulating sleeve 606 and the terminal 5 are sleeved inside the conductive sleeve 608, wherein the conductive sleeve 608 is electrically connected to the cover plate 601, and the cover plate 601 is used to connect multiple batteries 4 in series. The insulating sleeve 606 is made of insulating rubber material, and a slide groove 609 is opened at an equal angle on the inner wall of the conductive sleeve 608. A slider 610 is slidably connected inside the slide groove 609. A top plate 612 is installed between the multiple sliders 610, and the top plate 612 is electrically connected to the conductive sleeve 608. A first spring 611 is installed at the bottom end of the slider 610, and the bottom end of the first spring 611 is fixedly connected to the inner bottom wall of the slide groove 609;

[0031] During operation, first, during installation, the guide rod 718 is inserted into the lower guide groove 716 so that the bottom plate 602 is engaged with the inner cavity 2, and then the terminal board 603 is pressed downward, so that the pressure rod 605 moves downward, and the conductive sleeve 608 is pushed downward, and then the conductive sleeve 608 is sleeved on the outside of the terminal 5, and the insulating sleeve 606 is installed on the outside of the conductive sleeve 608, so as to protect the terminal 5 and prevent the external conductive foreign matter from contacting the terminal 5 and causing leakage of the terminal 5. When the terminal 5 enters the conductive sleeve 608, the top plate 612 is pushed upward and moves upward, so that the first spring 611 is stretched. At this time, under the elastic force of the first spring 611, the top plate 612 is tightly attached to the terminal 5, and the top plate 612 is electrically connected to the conductive sleeve 608, so as to ensure the tightness of the contact between the terminal 5 and the conductive sleeve 608, thereby ensuring the smoothness of the circuit.

[0032] Embodiment 3, on the basis of embodiment 2, the fixed power-off assembly 7 comprises a card plate 701 symmetrically mounted on the bottom end of the wiring board 603, a card hole 702 is symmetrically opened on one side of the card plate 701, the card plate 701 is plugged into the card slot 703, wherein the card slot 703 is symmetrically opened on the top of the cover plate 601, a limiting groove 704 is symmetrically opened on one side of the card slot 703, a side groove 705 is opened on one side of the limiting groove 704, a heat receiving groove 706 is opened on the other side of the side groove 705, and the heat receiving groove 706 is opened. Located below the card slot 703, a card rod 707 is inserted into the card hole 702, and the card rod 707 is inserted into the limiting slot 704. A connecting plate 708 is installed at one end of the card rod 707. The connecting plate 708 is slidably connected to the inside of the side slot 705. A limiting block 709 is installed on one side of the connecting plate 708. The limiting block 709 is inserted into the inside of the heat receiving slot 706. A second spring 710 is symmetrically installed on one side of the limiting block 709. One end of the second spring 710 is fixed to the inner wall of the heat receiving slot 706. The third spring 711 is fixedly connected to the inner wall of the side groove 705, and a vent hole 712 is provided at an equal angle on one side of the side groove 705. One end of the vent hole 712 penetrates to the outside of the cover plate 601, and a side through groove 713 is provided on one side of the side groove 705. The side through groove 713 penetrates to the outside of the cover plate 601, and a pull rod 714 is inserted into the inside of the side through groove 713. One end of the pull rod 714 is fixedly connected to the connecting plate 708. A pull plate 715 is installed at the other end of the rod 714, upper guide grooves 717 are opened at the four corners of the cover plate 601, and lower guide grooves 716 are opened at the four corners of the top of the battery box 1. Guide rods 718 are inserted into the interior of the lower guide grooves 716 and the interior of the upper guide grooves 717. The top of the guide rod 718 is fixedly connected to the bottom end of the wiring board 603, and the outer side of the guide rod 718 is sleeved with a fourth spring 719. The two ends of the fourth spring 719 are fixedly connected to the wiring board 603 and the cover plate 601 respectively.

[0033] When the terminal board 603 moves downward, the pull rods 714 on both sides are pulled outward, so that the clamping rod 707 enters the limiting groove 704. When the clamping plate 701 enters the clamping groove 703, the pull rod 714 is released, so that the clamping rod 707 moves outward and is inserted into the clamping hole 702, so that the clamping plate 701 is clamped, thereby completing the fixation of the cover plate 601 and the terminal board 603, which is convenient for installation. When the battery 4 leaks electricity, the temperature inside the cover plate 601 rises suddenly, so that the temperature inside the heat receiving groove 706 rises, and then the gas inside the heat receiving groove 706 expands due to heat, thereby driving the connection plate 708 to move, so that the clamping rod 707 is disconnected from the clamping plate 701, and then the terminal board 603 moves upward under the elastic force of the fourth spring 719, so that the movable contact 804 and the fixed contact 805 are disconnected, thereby disconnecting the circuit, and then protecting the automotive equipment parts in the case of leakage.

[0034] Embodiment 4, on the basis of embodiment 3, the power alarm component 8 comprises a top terminal 801 symmetrically mounted on the top of the terminal board 603, the bottom end of the top terminal 801 is electrically connected to a bottom rod 802, the bottom rod 802 is symmetrically mounted on the bottom end of the terminal board 603, the bottom end of the bottom rod 802 is mounted with a side plate 803, the bottom end of the side plate 803 is mounted with a movable contact 804, the bottom rod 802 is plugged into the inside of the sleeve, the sleeve is symmetrically mounted on the top of the cover plate 601, a fixed contact 805 is mounted on the inner bottom wall of the sleeve, and the fixed contact 805 and the cover plate 601 are connected. Electrical connection: a fifth spring 806 is installed at the bottom end of the side plate 803, and the bottom end of the fifth spring 806 is fixedly connected to the inner bottom wall of the sleeve; a lower contact 807 is installed on one side of the side plate 803, and an upper contact 808 is installed inside the sleeve, and the upper contact 808 is located above the lower contact 807; a wire 809 is installed between the upper contacts 808 on both sides, and the wire 809 is electrically connected to an alarm 810, and the alarm 810 is fixedly connected to the cover plate 601; an alarm battery 811 is installed at the bottom end of the wiring board 603, and the alarm battery 811 is electrically connected to the lower contact 807;

[0035] When the battery 4 leaks electricity, the terminal board 603 moves upward, and the side panel 803 moves to the top of the sleeve. The lower contact 807 contacts the upper contact 808, and the circuit between the alarm battery 811 and the alarm 810 is connected, so that the alarm 810 sounds an alarm to remind the user that the battery 4 has a leakage risk, shorten the user's detection time, and thus improve the repair efficiency.

Claims

1. A leakage protection device for a new energy vehicle, comprising a battery box (1), characterized in that: The battery box (1) is provided with an inner cavity (2), batteries (4) are equidistantly installed in the inner cavity (2), a partition (3) is installed between two adjacent batteries (4), the partition (3) is fixedly connected to the battery box (1), terminals (5) are symmetrically installed at the top of the batteries (4), the terminals (5) are divided into positive terminals and negative terminals, a protection component (6) is installed at the top of the battery box (1), a power-on alarm component (8) is installed at the top of the protection component (6), and a fixed power-off component (7) is installed at the top of the protection component (6); The protection assembly (6) comprises a cover plate (601) mounted on the top of the battery box (1), a bottom plate (602) being mounted on the bottom of the cover plate (601), the bottom plate (602) being snap-fitted with the inner cavity (2), movable through grooves (604) being equidistantly formed on the top of the cover plate (601), a pressure rod (605) being inserted into the inside of the movable through groove (604), a terminal block (603) being mounted on the top of the pressure rod (605), a movable groove (607) being formed on the bottom of the movable through groove (604), the movable groove (607) being extended to the bottom of the bottom plate (602), a conductive sleeve (608) being mounted on the bottom of the pressure rod (605), an insulating sleeve (606) being mounted on the outside of the conductive sleeve (608), and a conductive sleeve (608) being mounted on the bottom of the pressure rod (605). ), the terminal (5) is sleeved inside the conductive sleeve (608), wherein the conductive sleeve (608) is electrically connected to the cover plate (601), the cover plate (601) is used to connect multiple batteries (4) in series, the insulating sleeve (606) is made of insulating rubber material, a slide groove (609) is opened at an equal angle on the inner wall of the conductive sleeve (608), a slider (610) is slidably connected inside the slide groove (609), a top plate (612) is installed between the multiple sliders (610), the top plate (612) is electrically connected to the conductive sleeve (608), a first spring (611) is installed at the bottom end of the slider (610), and the bottom end of the first spring (611) is fixedly connected to the inner bottom wall of the slide groove (609).

2. The anti-leakage protection device for new energy vehicles according to claim 1 is characterized in that: The fixed power-off assembly (7) comprises a card plate (701) symmetrically mounted on the bottom end of the wiring board (603); a card hole (702) is symmetrically provided on one side of the card plate (701); the card plate (701) is plugged into the inside of a card slot (703); the card slot (703) is symmetrically provided on the top end of the cover plate (601); a limiting groove (704) is symmetrically provided on one side of the card slot (703); a side groove (705) is provided on one side of the limiting groove (704); a heat receiving groove (706) is provided on the other side of the side groove (705); the heat receiving groove (706) is located below the card slot (703); a card rod (707) is plugged into the inside of the card hole (702); and the card rod (707) is plugged into the inside of the limiting groove (704).

3. The anti-leakage protection device for new energy vehicles according to claim 2 is characterized in that: A connecting plate (708) is installed at one end of the clamping rod (707), and the connecting plate (708) is slidably connected to the inside of the side groove (705). A limiting block (709) is installed on one side of the connecting plate (708), and the limiting block (709) is inserted into the inside of the heating groove (706). A second spring (710) is symmetrically installed on one side of the limiting block (709), and one end of the second spring (710) is fixedly connected to the inner wall of the heating groove (706). A third spring (711) is installed on the other side of the connecting plate (708), and the third spring (711) is fixedly connected to the inner wall of the side groove (705). Ventilation holes (712) are opened at equal angles on one side of the side groove (705), and one end of the venting holes (712) passes through the outer side of the cover plate (601).

4. The anti-leakage protection device for new energy vehicles according to claim 3 is characterized in that: A side through groove (713) is provided on one side of the side groove (705), and the side through groove (713) extends to the outer side of the cover plate (601). A pull rod (714) is inserted into the inside of the side through groove (713), one end of the pull rod (714) is fixedly connected to the connecting plate (708), and a pull plate (715) is installed on the other end of the pull rod (714).

5. The anti-leakage protection device for new energy vehicles according to claim 1 is characterized in that: The four corners of the cover plate (601) are provided with upper guide grooves (717), the four corners of the top of the battery box (1) are provided with lower guide grooves (716), the interior of the lower guide grooves (716) and the interior of the upper guide grooves (717) are plugged with guide rods (718), the top of the guide rods (718) are fixedly connected to the bottom of the wiring board (603), the outer side of the guide rods (718) is sleeved with a fourth spring (719), and the two ends of the fourth spring (719) are respectively fixedly connected to the wiring board (603) and the cover plate (601).

6. The anti-leakage protection device for new energy vehicles according to claim 1 is characterized in that: The power-on alarm assembly (8) comprises a top terminal (801) symmetrically mounted on the top of a terminal board (603); the bottom end of the top terminal (801) is electrically connected to a bottom rod (802); the bottom rod (802) is symmetrically mounted on the bottom end of the terminal board (603); a side plate (803) is mounted on the bottom end of the bottom rod (802); a movable contact (804) is mounted on the bottom end of the side plate (803); the bottom rod (802) is plugged into a sleeve; the sleeve is symmetrically mounted on the top of a cover plate (601); a fixed contact (805) is mounted on the inner bottom wall of the sleeve; the fixed contact (805) is electrically connected to the cover plate (601); a fifth spring (806) is mounted on the bottom end of the side plate (803); the bottom end of the fifth spring (806) is fixedly connected to the inner bottom wall of the sleeve.

7. The anti-leakage protection device for new energy vehicles according to claim 6 is characterized in that: A lower contact (807) is installed on one side of the side plate (803), an upper contact (808) is installed inside the sleeve, the upper contact (808) is located above the lower contact (807), a wire (809) is installed between the upper contacts (808) on both sides, the wire (809) is electrically connected to an alarm (810), the alarm (810) is fixedly connected to the cover plate (601), an alarm battery (811) is installed at the bottom end of the wiring board (603), and the alarm battery (811) is electrically connected to the lower contact (807).

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